Chain Reaction UK

Chain Reaction UK Rating
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About Chain Reaction UK
Chain Reaction Cycles (CRC) are based in Doagh, in Northern Ireland, originally started out as Ballynure Cycles in 1984 and changing their name after a move to a new shop in 1989. In 2011 they opened a 10,000sq ft standalone retail store in Belfast, Northern Ireland. By 2013 they had become the largest online bike shop in the world!

CRC exists to deliver a world class shopping experience to cyclists around the globe, offering the lowest prices on everything you need to feed your cycling habit, and delivering directly to you with no fuss.
Brands listed for Chain Reaction UK
We currently have 421 different brands listed for Chain Reaction UK in our database

Number of Products Listed for Chain Reaction UK

We currently have 41186 products listed for Chain Reaction UK, that's 41186 opportunities for you to save money!

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Chain Reaction UK have 41186 products listed

Race Face Crank Boots for Carbon Cranks - Blue - Pair}, Blue
  • £5.99
  • RRP £7.95
  • Saving you £25

Race Face Crank Boots for Carbon CranksAggressive mountain bike riding can quite easily cause damage to your expensive carbon fibre components, so Race Face brings you its lightweight yet protective Crank Boots. Simple to install, they slip over the ends of your chainset’s carbon crank arms, protecting them from rock strikes, tricky tree roots and anything else you encounter on the trails.Race Face products are ready for some of the most abusive riding conditions out there, made for riders who value function as well as fashion. Tested on North Vancouver's notorious "Shore", you'll be safe in the knowledge that your Race Face gear can take on whatever you throw at it. Features: Material: Durable Race Face proprietary plastic blend Protective rubber boots to fit over the end of your carbon crank arms Compatibility: Race Face NEXT, NEXT SL, SIXC All SRAM carbon cranks Shimano XTR, XT, SLX, Saint and Gravity cranks Buy Race Face Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Race Face Crank Boots for Carbon Cranks - Turquoise - Pair}, Turquoise
  • £5.99
  • RRP £7.95
  • Saving you £25

Race Face Crank Boots for Carbon CranksAggressive mountain bike riding can quite easily cause damage to your expensive carbon fibre components, so Race Face brings you its lightweight yet protective Crank Boots. Simple to install, they slip over the ends of your chainset’s carbon crank arms, protecting them from rock strikes, tricky tree roots and anything else you encounter on the trails.Race Face products are ready for some of the most abusive riding conditions out there, made for riders who value function as well as fashion. Tested on North Vancouver's notorious "Shore", you'll be safe in the knowledge that your Race Face gear can take on whatever you throw at it. Features: Material: Durable Race Face proprietary plastic blend Protective rubber boots to fit over the end of your carbon crank arms Compatibility: Race Face NEXT, NEXT SL, SIXC All SRAM carbon cranks Shimano XTR, XT, SLX, Saint and Gravity cranks Buy Race Face Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Schwalbe Road Tube Extra Light - 50mm Valve
  • £5.99
  • RRP £9.49
  • Saving you £37

Schwalbe Extra Light Road TubeThese extra-light road tubes from Schwalbe are both long-lasting and durable. Lighter than standard road tubes, they offer exceptional rolling power and quality assured reliable performance.  Features: Use: Road Valve Type: Presta Valve Tyre Type: Clincher Tube Size: 23c-28c Size: 700c Designed for use in rims with maximum inner width of 19mm Weight: Approx. 80gBuy Schwalbe Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Schwalbe 24" Road Inner Tube - Black - 0.75-1.10, Black
  • £5.99
  • RRP £7.99
  • Saving you £25

Schwalbe 24" Road Inner TubeThe 24 Inch Road Inner Tube from Schwalbe features a Butyl rubber compound construction, which prevents air loss and is extremely reliable. To ensure exceptional quality and safety, each tube is checked twice at the factory. Features:High-QualityUse: RoadValve Type: PrestaDiameter: 24"Buy Schwalbe Wheel & Tyres from Chain Reaction Cycles. Ride. Eat. Sleep. Repeat.

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Schwalbe Road Tube - 40mm Dunlop Valve
  • £5.99
  • RRP £7.99
  • Saving you £25

Schwalbe Road TubeThis Road Tube from Schwalbe ticks all the boxes. Not only is it reliably air-tight, but thanks to its distinctive rubber composition it guarantees less loss of air. As in all Schwable products, it has been rigorously tested to meet their high standards of quality and control. Features:Extremely air-tight. Less air loss means having to inflate less. A unique rubber mixture makes it possible.Extremely reliable. Each Schwalbe tube is individually examined twice at the factory to ensure air-tightness. Special quality control that prevents unpleasant surprisesQuality road tubeBuy Schwalbe Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Horizon CL Replacement Pins - Black, Black
  • £5.99

Nukeproof Horizon CL Flat Pedal Replacement PinsThese pedal pins are direct replacements for the one's found on the Horizon CL pedals. This kit contains 24 pins and 48 washers allowing you to replace all of the pins tailor your pin height.Features:  Included: Kit contains 24 pins and 48 washers  Hex Socket Cap Screw Pin Dimension: M4 x 8mm  Washer Size: 1mmBuy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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DMR Terror Flat Mountain Bike Pedal Pins - Black - 20 Pack - Grub Screw Long}, Black
  • £5.99
  • RRP £7.00
  • Saving you £14

DMR Terror Pins Extra long, Chrome plated pedal pins to give claw like grip for DMR V8 and V12 pedals - Wear Pads!Buy DMR Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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KMC Z1 Single Speed Chain - Brown - Wide - 112 Links}, Brown
  • £5.99

KMC Z1 Single Speed ChainDesigned for single speed, internal gear, BMX and track use, the Single Speed Chain from KMC offers you enhanced pedalling performance, no matter how tough the terrain. Featuring a bushless construction and made up of 112 links, this single speed chain is the ideal upgrade for a smooth and reliable ride. Features:Use: Mountain Bike, RoadSize: Narrow: 1/2x3/32"; Wide: 1/2x1/8"Pin Length: Narrow: 7.3mm; Wide: 8.6mmLinks: 112Compatibility: Single speed, internal gear, BMX, Track and Fixed gearBushless ConstructionNo dropBuy KMC Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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KMC 101NR EPT Missing Link Chain Connector - Silver - 1/2" x 1/8", Silver
  • £5.99
  • RRP £6.99
  • Saving you £14

KMC 101NR EPT Missing LinkThis awesome chain link is ideal for use with your single speed chain as it delivers a firm grip when accelerating up to speed. It features a robust steel construction which handles all the rigours of road and gravel adventuring with precision and poise. Ready to take on any challenge, this solid component easily connects to your chain. Giving you maximum torque power, this is a perfect choice of upgrade for riders who want a reliable part at an affordable price. Features: Material: Steel Speed: Single speedSize: 1/2x1/8"Buy KMC Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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KMC Bosch Front E-Bike Sprocket - Chromoly - 0.125, Chromoly
  • £5.99
  • RRP £9.99
  • Saving you £40

KMC Bosch Front SprocketThis high-quality sprocket is optimised for use with Bosch II E-bike motor systems. It features a solid CrMo construction which makes it immensely tough when handling the extra speed and power which motors produce. This is the ultimate choice of upgrade for riders who want a smoother and more reliable gearing set-up as you conquer every ride. Features: Material: CrMo Use: E-bike Compatibility: Bosch II SystemsBuy KMC Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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KMC R Shimano E-Bike Sprocket - Chromoly - 0.125, Chromoly
  • £5.99
  • RRP £9.99
  • Saving you £40

KMC R Shimano E-Bike SprocketThis brilliant sprocket is ideally suited for E-bike use as it offers a durable and reliable riding experience. It features a strong CrMo construction which makes it incredibly tough at handling all the extra torque and speed produced by electric motors. Optimised for use with Shimano internal gear hubs, this dependable component ensures that every rotation is smooth as you navigate your way around the city.Features: Material: CrMo Use: E-bike Speed: Single speed Dimensions: 1/2x1/8" Hub Compatibility: Shimano internal gear hubsBuy KMC Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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FSA Alpha Drive MTB Chainring - Black - 44t}, Black
  • £5.99
  • RRP £24.99
  • Saving you £76

FSA Alpha Drive MTB ChainringIdeal as a replacement or upgrade for your 2x10 speed chainset, the high-quality machining on this mountain bike chainring ensures slick shifts even in the muddiest conditions. Ready for the roughest rides, it also has a tough, yet lightweight AL7075/T6 aluminium construction and has been CNC machined to save weight.Features: Material: Precision CNC machined AL7075/T6 alloy Finish: Black Anodised with CNC silver and laser-etched logo BCD: 32T: 4x64mm; 44T: 4x104mm Speed: 10 speed Sold individually Chainring bolts sold separatelyBuy FSA Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Miche Single Speed Sprocket Carrier - Silver, Silver
  • £5.99

Miche Single Speed Sprocket CarrierThis high-quality model is specifically designed for use with Miche fixed gear, track or single-speed sprockets. Additionally, it is an ideal replacement for your old or worn-out existing model.Features: Genuine Miche replacement part Compatibility: Miche sprockets Use: Fixed gear; Track; Single-speedBuy Miche Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Seal BMX Switch Pivotal Seatpost - Black - 25.4mm, Black
  • £5.99
  • RRP £8.99
  • Saving you £33

Seal BMX Switch Pivotal SeatpostMade from super strong steel, the Seal BMX Switch Pivotal Seatpost is 150mm in length leaving plenty of room to adjust the height of your seat.Features: Super strong steel Pivotal seatpost Seatpost Length: 150mmBuy Seal BMX Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Deda Elementi Stem Clamp Sleeve Adaptor - Black - 1" to 1.1/8", Black
  • £5.99

Deda Elementi Stem Clamp Sleeve AdaptorThis Stem Sleeve Adaptor is an essential part to fit your favourite modern 1 1/8” stem onto a retro or retro styled bike that uses a 1” steerer tube. To ensure lasting strength and durability, Deda Elementi has manufactured it from 6061 aluminium and gave it a subtle finish of black anodising.Features:  Material: 6061 series alloy  Converts 28.6mm fork clamp to 25.4mm (1 1/8" to 1")  Anodised black finishBuy Deda Elementi Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Deda Elementi Titanium Bolt (M5 x 17) - Black, Black
  • £5.99
  • RRP £7.99
  • Saving you £25

Deda Elementi Titanium Bolt (M5 x 17)Designed for use with firm-holding stems, this genuine Titanium Bolt from Deda Elementi is ideal for ensuring your bar is clamped securely to your stem, for precise handling when cycling. This lightweight bolt is corrosion resistant and is available in the size M5 x 17.Features:Material: TitaniumSize: M5x17mmBuy Deda Elementi Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Cinelli Headset Top Cap With Bolt and Plug - Red - 1.1/8", Red
  • £5.99
  • RRP £7.99
  • Saving you £25

Cinelli Headset Top Cap With Bolt and PlugThis genuine Cinelli set comes with an aerospace-grade alloy cap plus a bolt and cap for a secure fitment. Features: Material: Aerospace-grade Aluminium Alloy Diameter: 32mm  Compatibility: Standard M6 cap head bolt   Stem Type: 1 1/8", threadless Buy Cinelli Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Hope Headset Top Cap - Red - 1.1/8", Red
  • £5.99

Hope Headset Top CapA perfect way to start customising your bike, the Hope Alloy Headset Top Cap is a CNC machined top cap that comes in a variety of anodized colours.Features:Bolt not includedHope "Hed Doctor" bolt requiredDesigned for 1 1/8” stemsIncluded: Top Cap onlyBuy  Hope Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Blackspire Stinger-Dewlie Roller and Bolt, Black
  • £5.99
  • RRP £11.99
  • Saving you £50

Blackspire Stinger/Dewlie Roller & Bolt Replacement roller and bolt for use with the Blackspire Dewlie chain guide Buy Blackspire Stinger/Dewlie Roller & Bolt from Chain Reaction Cycles, the World's Largest Online Bike Store.

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DMR Hinged Clamp - Silver - 28.6mm}, Silver
  • £5.99

DMR Hinged ClampMade from durable aluminium and simple to fit, this Hinged Clamp is compatible with DMR’s Chain Cage and Speed Guide mountain bike (MTB) chain devices. A versatile part, you could also install two of these clamps on your bike frame’s seat tube to give you bottle cage mounting points.Features:Material: AluminiumSuitable for use with DMR's Chain Cage or Speed GuideCan also be used for fixing bottle cages (x2 required)Genuine DMR replacement partBuy DMR Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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